Retention and control technology of heavy metals pollution in soil:A review
The occurrence characteristics of heavy metals in soil were described,the recent research re-sults of soil in-situ control technology and in-situ barrier technology were summarized,and the control effects and shortcomings of different treatment methods for heavy metal pollution in soil were discussed.Soil heavy metal pollution is a major problem in China's environmental governance,if we need to thor-oughly control soil heavy metal pollution,there are many problems,such as large amount of work,high consumption cost,and difficult to promote on a large scale.Soil heavy metal retention and control technol-ogy achieves the purpose of soil treatment by reducing the risk of heavy metal release,which has the char-acteristics of low cost and simple operation,and is a more advanced treatment concept.Some suggestions and prospects for the research direction in this field were put forward,aiming at promoting the progress and innovation of soil heavy metal treatment technology in China.
soil heavy metalretention and control technologylow costsimple operation
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